TY - JOUR AU - A. G. Kamenskii TI - Approximate solution of second-order functional-differential equations JO - Differencialʹnye uravneniâ PY - 1983 SP - 2148 EP - 2153 VL - 19 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_12_a14/ LA - ru ID - DE_1983_19_12_a14 ER -